See also:

General information
The sound settings are stored for the remote control currently in use. ...

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...

Maintenance
Maintain the vehicle regularly to sustain the road safety, operational reliability and the New Vehicle Limited Warranty. Specifications for required maintenance measures: > BMW Maintenance syst ...